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NAPA pinion shaft bearings number?
Posted: Wed Dec 01, 2010 9:11 am
by swat
What are the NAPA, or other over the counter numbers, for the bearings on the differential pinion shaft that connects to the propeller drive shaft on an M38A1 Dana 25? Are they the same as the axel bearings? What tech manual list the parts breakdown?
Posted: Wed Dec 01, 2010 10:49 pm
by wesk
ORD 9 SNL G-758 the ordnance parts manual for the M38A1 has a complete breakdown 0f both axles. The race (cup) and bearing (cone) have the numbers right on them.
Inner bearing (1.375" bore x 1.125" width) ORD# 8329852 Timkin# 31594
WO# 807266
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Inner race (3.000" OD x 0.9375" width) ORD# 706877 Timkin# 31520
WO# 52877 (MIL Spec 711-31520-1000)
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Outer bearing (1.125" bore x 0.875" width) ORD# 705271 Timkin# 02872
WO# 52878 (Mil Spec 719-02872-3000)
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outer race (2.875" OD x 0.6875" width) ORD# 707063 Timkin 02820
WO# 52879 (Mil Spec 719-02820-1000)
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seal ORD# 500071 (1 9/16"x3.165"x19/32") Sp# 14223 Napa 49161
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Gasket (2 3/4" IDx3 9/64" ODx0.040" thick) ORD# 7372855 SP# 30188 (old S171) WO# 636565
Posted: Thu Dec 02, 2010 4:59 pm
by Keith
Just wanted to say thank you wes for your vast knowledge and always going the extra mile helping us less knowlegable with our questions.
Thank You!
Merry Christmas
Keith
1951 M38
Posted: Thu Dec 02, 2010 8:44 pm
by wesk
Hello Keith,
Happy Holidays to you and yours as well.
It's my big pile of books that does all the work.
